Thin film of pure formvar resin coats the shiny side of a London finder grids.
- Select from copper, nickel, and gold grids
- Optically checked, followed by batch testing in the EM
Formvar coatings thickness of standard (10 nm), ultra-thin (5 to 6 nm), thick (15 to 20 nm), or extra thick (25 to 50 nm).
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